Proof

@datadog/mobile-react-native

the published JS runs unchanged over DdSdk, DdRum, DdLogs, DdTrace and DdFlags native seams from src/specs; each call settles as ios/Sources/*Implementation.swift does, with no Datadog SDK behind it
95%
API coverage
No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.
Working (8)
DdSdkReactNative and DatadogProvider initializationCoreConfiguration and every exported class and enumDdRum views/actions/resources/errors/timings/attributesDdLogsDdTrace spans with UUID idsuser and account infotracking consentthe fetch/XHR/error/navigation instrumentation
Missing
no events are recorded or uploaded, getCurrentSessionId resolves null because no RUM session runs, and DdFlags never receives a flags snapshot